#top{
	width: 780px;
	height:180px;
	background-color:white;
	margin-bottom: 2px;
	}
	#l1{
		background: url(../img/banner.jpg);
		width: 780px;
		height: 150px;
	}
	#l2 ul{
		list-style: none;
	}
	#l2 li{
		float: left;
		width: 78px;
		line-height: 33px;
		text-align: center;
	}
	#l2 a{
		color:#10558E;
		background: url(../img/button1.jpg)no-repeat;
		display: block;
	}
	#l2 a:hover{
		background: url(../img/button1_bg.jpg)no-repeat;
		position: relative;
		right: 1px;
		bottom: 1px;
		
	}